Category: "8051-8052"
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Posted by dapj20 on Jul 08, 2020 in 8051-8052, Circuit-Design
details required for... Atmels 89C52 Microcontroller A/D D/A converter Keypad LCD display(Or LED Display) 5V Regulated power supply. Temperature & Humidity controller using PID control algorithm implemented using Atmel's 89C52 microcontroller for a… more »
Posted by dapj20 on Apr 04, 2020 in 8051-8052
i am interested in doing with 89C52. And now I trying to use AT89C52 and ICL 7135. And I use nterrupt 0 to get BCD data from ICL7135. I send you my program here and expect to get your advice soon. post by NHT I have made a circuit for you to study, also… more »
Posted by dapj20 on Feb 05, 2017 in 8051-8052, uC-Timer-Clocks
I've seen on the net the schematics for RS232 with Opto-Isolation. The supply on the PC side is from the PC. The supply from the line side is external? I've seen the 3 connectors (RX, TX & GND) together with 2 connectors 5V. One of them is connected… more »