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★★★★★4.4
$47.99
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$28.99
Home/Business, Industry & Science/Industrial Electrical/Controls & Indicators/Industrial Switches/Pushbutton Switches
5 Pcs Button Key Module Universal 4 Key Push Button Switch Module Board Keyboard Board for DIY Accessory
★★★★★
$28.99
Quantity
1
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About this item
- WORKING VOLTAGE: DC 1.2V, 1.8V, 2.5V, 3V, 3.3V, 4.5V, 5V, 9V, 12V, 24V, 36V, 48V.
- WORKING PARAMETERS: GND K1 K2 K3 K4" 4 PIN OUT 2.54mm . 4-button Common Cathode key module(When pressed output low level).
- HIGH QUALITY: Adopted of high quality electronic components, and precision process, ensure for the durability.
- APPLICATIONThe 4-key keyboard module is suitable for automatic modification, motor control, bulb, LED string, micro pump, solenoid.
- USAGE --- 4-key keyboard module can be inserted directly into uno mega2560 due,Ideal for linking up to your UNO Mini Nano Mega2560 Breadboard raspberry pi banana pi etc.
Product description
Specification: Working voltage: DC 0-48V GND K1 K2 K3 K4" 4 PIN OUT 2.54mm Size:12.7*33mm/0.5*1.3in Weight: Approx.3g/0.1oz Package list: 5 x 4 Button Key Module
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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