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I need to translate 36V-58V DC voltage of my battery pack to my 10bit ADC on MCU in TTL range of 0-3.3V.
I want to use the cheapest solution (most passive elements possible instead of dedicated IC).
How can I do that (opamp, resistor ladder)? How it effects the accuracy (drift, non-linearity)...
Hello!
I am working on one of my project embedding GSM module (SIM900). The dimension specs are very strict and everything is soldered on 2-layer PCB (dimension are only arround: 4.5x4.0 cm). My design also includes 2 electret microphones (2-pins mode like this: shematic). With one I would like...
hello!
I bought those well-known "bluetooth to serial tranciever" modules, which looks almost same as this one: Wireless Bluetooth RS232 TTL Transceiver Module - Air, also have CSR BC417143 chipset on it, except there are some SMDs which are replaced and it has new revision date on it (it says...
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