Square wave generator
Square wave generator for sale on Ireland's largest auction and classifieds sites
Vintage maplin audio - vintage, af - £42.30
Vintage maplin audio • Frequency sine square • Wave generator - Free postage - New and Used
Vintage maplin audio • Frequency sine square • Wave generator - Free postage - New and Used
12v xr2206 signal - xr2206, - £4.99
12v xr2206 signal • Generator sine triangle • Square wave frequency - Free postage - New and Used
12v xr2206 signal • Generator sine triangle • Square wave frequency - Free postage - New and Used
Pwm signal generator module - pwm, - £11.99
Pwm signal generator • Square wave rectangular • Mode frequency continuous - Free postage - New and Used
Pwm signal generator • Square wave rectangular • Mode frequency continuous - Free postage - New and Used
Schumann wave generator pulse - schumann, - £18.42
Included acrylic dust • Cover effectively safeguards • Circuit board interface - Free postage - New and Used
Included acrylic dust • Cover effectively safeguards • Circuit board interface - Free postage - New and Used
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Adjustable square wave - adjustable, - £5.28
Pp1k signal generator • Device that provides • Electrical signals variety - Free postage - New and Used
Pp1k signal generator • Device that provides • Electrical signals variety - Free postage - New and Used
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48 listings · from £1.19 · avg £8.39
⚠️ These listings were last updated more than 11 days ago.
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Browse 48 square wave generator listings currently in our index. Prices range from £1.19 to £42.3, with an average of £8.39. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about square wave generator →
Dds function signal generator - signal, - £12.98
Resolution 1hz output • Waveform sine wave • Dds function signal - Free postage - New and Used
Resolution 1hz output • Waveform sine wave • Dds function signal - Free postage - New and Used
Signal generator ne555 - signal, - £1.19
Level led will • Main chip ne555 • Duty cycle frequency - Free postage - New and Used
Level led will • Main chip ne555 • Duty cycle frequency - Free postage - New and Used
Square wave signal generator - wave, - £5.99
Ne555 pulse frequency • Duty cycle signal • Generator module stable - Free postage - New and Used
Ne555 pulse frequency • Duty cycle signal • Generator module stable - Free postage - New and Used
Ne555 pulse frequency duty - pulse, - £2.99
Level led will • Off low frequency • Flashes adjustable pulse - Free postage - New and Used
Level led will • Off low frequency • Flashes adjustable pulse - Free postage - New and Used
1hz 6khz adjustable signal - 1hz-6khz, - £1.40
Frequency adjustable signal • Source circuit output • Capable sinking sourcing - Free postage - New and Used
Frequency adjustable signal • Source circuit output • Capable sinking sourcing - Free postage - New and Used
Signal generator module - generator, - £5.62
Simple operation can • Set upper lower • Limits duty cycle - Free postage - New and Used
Simple operation can • Set upper lower • Limits duty cycle - Free postage - New and Used
Ne555 multi channel waveform - ne555, multi-channel - £1.21
Color ring resistor • Monolithic capacitor adjustable - Free postage - New and Used
Color ring resistor • Monolithic capacitor adjustable - Free postage - New and Used
New pwm pulse frequency duty - pwm, - £4.73
Frequency duty cycle • Very clear pwm • Output can set - Free postage - New and Used
Frequency duty cycle • Very clear pwm • Output can set - Free postage - New and Used
Schumann wave generator - schumann, - £15.59
Product can not • Only output 7.83hz • Schumann wave but - Free postage - New and Used
Product can not • Only output 7.83hz • Schumann wave but - Free postage - New and Used
Ne555 pulse frequency - frequency, duty - £3.59
Level led will • Off low frequency • Flashes adjustable pulse - Free postage - New and Used
Level led will • Off low frequency • Flashes adjustable pulse - Free postage - New and Used
Schumann wave generator pulse - schumann, - £16.85
Wide frequency range • Addition supporting 7.83hz • Schumann wave output - Free postage - New and Used
Wide frequency range • Addition supporting 7.83hz • Schumann wave output - Free postage - New and Used
Dc5v 24v pwm signal - dc5v-24v, generator - £14.46
Output frequency 1hz • 150khz display digit • White leds hope - Free postage - New and Used
Output frequency 1hz • 150khz display digit • White leds hope - Free postage - New and Used
Xr2206 function signal - xr2206, - £8.99
Xr2206 function signal • Generator diy kit • Create customizable waveforms - Free postage - New and Used
Xr2206 function signal • Generator diy kit • Create customizable waveforms - Free postage - New and Used
Diy kits ne555 - ne555, multi-channel - £1.19
Otherwise deal final • All products are • Quality checked will - Free postage - New and Used
Otherwise deal final • All products are • Quality checked will - Free postage - New and Used
Ne555 adjustable duty cycle - ne555, - £3.32
Level led will • Ne555 chip output • Off low frequency - Free postage - New and Used
Level led will • Ne555 chip output • Off low frequency - Free postage - New and Used
Signal generator pwm pulse - signal, - £4.27
Frequency duty cycle • Clear glance pwm • Output can set - Free postage - New and Used
Frequency duty cycle • Clear glance pwm • Output can set - Free postage - New and Used
Ad9833 dds signal - ad9833, generator - £9.49
Ad9833 programmable microprocessors • Serial interface module • Sine square wave - Free postage - New and Used
Ad9833 programmable microprocessors • Serial interface module • Sine square wave - Free postage - New and Used
Adjustable square wave - adjustable, - £5.29
Pp1k signal generator • Device that provides • Electrical signals variety - Free postage - New and Used
Pp1k signal generator • Device that provides • Electrical signals variety - Free postage - New and Used
Ne555 adjustable duty cycle - adjustable, - £3.95
Chip ne555 output • Led indicator low • Frequency higher frequencies - Free postage - New and Used
Chip ne555 output • Led indicator low • Frequency higher frequencies - Free postage - New and Used
Pwm signal generator - signal, - £11.99
Frequency range 1hz • 150khz display decimal • Point fully lit - Free postage - New and Used
Frequency range 1hz • 150khz display decimal • Point fully lit - Free postage - New and Used
Diy kits ne555 multi channel - diy, - £1.63
Sound vision hope • You could understand • Adjustable resistor electrolytic - Free postage - New and Used
Sound vision hope • You could understand • Adjustable resistor electrolytic - Free postage - New and Used
Xr2206 function signal - xr2206, - £6.09
Xr2206 function signal • Generator diy kit • Create customizable waveforms - Free postage - New and Used
Xr2206 function signal • Generator diy kit • Create customizable waveforms - Free postage - New and Used
Ne555 pulse frequency - ne555, - £5.14
Piece ne555 signal • Generator produce different • Frequency square wave - Free postage - New and Used
Piece ne555 signal • Generator produce different • Frequency square wave - Free postage - New and Used
3pcs square wave - square, signal - £8.32
Square wave signal • Main chip ne555 • Optional style 1pc - Free postage - New and Used
Square wave signal • Main chip ne555 • Optional style 1pc - Free postage - New and Used
Schumann wave generator pulse - generator, - £18.28
Included acrylic dust • Cover effectively safeguards • Circuit board interface - Free postage - New and Used
Included acrylic dust • Cover effectively safeguards • Circuit board interface - Free postage - New and Used
Ne555 adjustable module duty - ne555, - £3.99
Main chip ne555 • Duty cycle adjustable • Pulse frequency square - Free postage - New and Used
Main chip ne555 • Duty cycle adjustable • Pulse frequency square - Free postage - New and Used
New dds function - new, signal - £15.69
Resolution 1hz output • Waveform sine wave • Dds function signal - Free postage - New and Used
Resolution 1hz output • Waveform sine wave • Dds function signal - Free postage - New and Used
Schumann wave generator - schumann, - £19.37
Product can not • Only output 7.83hz • Schumann wave but - Free postage - New and Used
Product can not • Only output 7.83hz • Schumann wave but - Free postage - New and Used
Xr2206 signal generator - xr2206, - £7.91
Frequency 1hz 1mhz • 100khz waveforms square • Triangle wave signal - Free postage - New and Used
Frequency 1hz 1mhz • 100khz waveforms square • Triangle wave signal - Free postage - New and Used
Xr2206 signal generator - xr2206, - £7.95
Frequency 1hz 1mhz • 100khz waveforms square • Triangle wave signal - Free postage - New and Used
Frequency 1hz 1mhz • 100khz waveforms square • Triangle wave signal - Free postage - New and Used
Ne555 pulse frequency duty - ne555, - £4.19
Level led will • Main chip ne555 • Generate adjustable pulse - Free postage - New and Used
Level led will • Main chip ne555 • Generate adjustable pulse - Free postage - New and Used
Ne555 duty cycle - cycle, frequency - £5.89
Level led will • Main chip ne555 • Off low frequency - Free postage - New and Used
Level led will • Main chip ne555 • Off low frequency - Free postage - New and Used
Pwm pulse frequency duty cycle - pulse, - £2.24
Two independent pwm • Generators can set • Frequency duty cycle - Free postage - New and Used
Two independent pwm • Generators can set • Frequency duty cycle - Free postage - New and Used
Schumann wave generator pulse - wave, - £17.85
Wide frequency range • Addition supporting 7.83hz • Schumann wave output - Free postage - New and Used
Wide frequency range • Addition supporting 7.83hz • Schumann wave output - Free postage - New and Used
Pwm pulse generator frequency - pwm, - £7.73
Frequency duty cycle • Very clear pwm • Output can set - Free postage - New and Used
Frequency duty cycle • Very clear pwm • Output can set - Free postage - New and Used
12v 25v icl8038 dds - dc, - £3.42
Yellow icl8038 kits • Pin functions model • Low frequency output - Free postage - New and Used
Yellow icl8038 kits • Pin functions model • Low frequency output - Free postage - New and Used
0.8Hz-60Hz/50Hz-6Khz - £1.51
Adjustable signal generator • 0.8hz 60hz 50hz • 6khz square wave - Free postage - New and Used
Adjustable signal generator • 0.8hz 60hz 50hz • 6khz square wave - Free postage - New and Used
83hz schumann wave - dc, - £3.83
Output waveform square • Wave also note • That monitor settings - Free postage - New and Used
Output waveform square • Wave also note • That monitor settings - Free postage - New and Used
Pulse frequency duty cycle - pulse, - £5.94
Level led will • Off low frequency • Flashes adjustable pulse - Free postage - New and Used
Level led will • Off low frequency • Flashes adjustable pulse - Free postage - New and Used
5pcs ne555 pulse frequency - 5pcs, - £8.59
Includes pieces ne555 • Square wave pulse • Modules dimensions 31x22x1.5mm - Free postage - New and Used
Includes pieces ne555 • Square wave pulse • Modules dimensions 31x22x1.5mm - Free postage - New and Used
Dds function signal generator - dds, - £11.44
Sawtooth triangle wave • High speed frequency • Output 8mhz dds - Free postage - New and Used
Sawtooth triangle wave • High speed frequency • Output 8mhz dds - Free postage - New and Used
Xr2206 signal generator - xr2206, - £9.35
Frequency 1hz 1mhz • 100khz waveforms square • Triangle wave signal - Free postage - New and Used
Frequency 1hz 1mhz • 100khz waveforms square • Triangle wave signal - Free postage - New and Used
Square wave signal generator - square, - £8.09
Pwm output can • Set frequency duty • Communicate serial port - Free postage - New and Used
Pwm output can • Set frequency duty • Communicate serial port - Free postage - New and Used
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Everything you need to know about square wave generator
Whether you are looking for a brand-new or second-hand square wave generator, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.19, while premium listings can reach £42.3 — giving you a wide budget spread to work with. The average price of £8.39 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.