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ClemensValens
ClemensValens vor 1 Stunde
Looking once more at V3 I think an extra diode is needed to prevent voltage inversion passing through the body diode of Q1. See D1 in attached V4.
On/Off Button for Arduino; switching off software controlled
Sarbjit Singh Mal
Sarbjit Singh Mal vor 20 Stunden
As per the circuit description,  voltage across Capacitor C15 will never go above VBE(sat)  i.e. Base to Emitter saturation voltage ( 1.0V) of transistors T7 & T8 (when Base to Emitter  diode will get forward bias) in case of positive  DC offset voltage more than  0.55 V ( for T8) or a negative DC offset greater than 0.85 V (for T7) at the output and almost entire offset voltage (less  1.0V VBE(sat)  of T7/T8) will appear across R23 (15kΩ) and current through R23 will be limited to approx. 3.67 mA { i.e. (56-1.0)/15000} in case of DC offset voltage swing to even up to +V or –V supply rail. Capacitor C15 is already shown as non-polar in the circuit schematic. Mal  
Q-Watt - Simple Audio Power Amplifier (110656)
Stacy Markel
Stacy Markel vor 23 Stunden
LAN monitoring lets you keep track of your entire local network, including your workstations, routers, switches, servers, and printers PRTG monitors your LAN and sends notifications about connection problems, limited availability, or overloaded server. The functionality works in every browser and is secured. Visit  Firefox Support Number for more information   
WebServer for Wide Area and Local Area Control & Monitoring
HaSch
HaSch vor 1 Tag
Very nice! My Version 1 is tested and is working very well. Sure, you can use it with any MCU, maybe with a small PCB instead of the prototyping PCB I used.
On/Off Button for Arduino; switching off software controlled
ThijsBeckers
ThijsBeckers vor 1 Tag
The PCB should be available (very) shortly from here: https://www.elektor.com/usb-naar-dmx-bare-pcb-160493-1.
Isolated USB to DMX512 Converter(160493)