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A simple PCB to control an Actiforce desk lift from a Blue Pill board.
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desklift.lpp
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README.md

desklift

A simple PCB to control an Actiforce desk lift from a Blue Pill STM32 microcontroller board using two low-current relays.

Picture 1: Front

Picture 2: Back

The PCB itself is designed mostly one-sided, you just need a single jumper wire if you want a one-sided board. This makes it suitable for self-etching.

You can order the PCB on Aisler.

This is a LibrePCB project!

BOM

Designator Description MPN Approx. Cost
U1 STM32F103 "Blue Pill" 5.50 CHF
U1 Socket Strip 1x20 0.74 USD
K1, K2 Relay 3V 16.7mA TXS2SA-3V 4.56 CHF
J1 7-Pin DIN 45329 Connector M 0.37 USD
J2 7-Pin DIN 45329 Connector F 0.42 USD
D1, D2 Diode Schottky 30V 500mA NSR0530HT1G 0.16 CHF
R1 Resistor 1.8K 3216 (1206) 0.02 CHF
PCB Printed Circuit Board 7.50 CHF

Total material cost: ~24 USD

License

See LICENSE.txt.

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