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Simple Universal PIC Programmer(RS232)

2015-01-11 14:20  
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This article describes the Simple Universal PIC Programmer (RS232). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components: RS232.

This simple programmer will accept any device that’s supported by software (eg, IC-Prog 1.05 by Bonny Gijzen at http://www.ic-prog.com). The circuit is based in part on theISPheader described in theSILICONCHIPPICTestbed” project but also features an external programming voltage supply for laptops and for other situations where the voltage present on the RS232 port is insufficient. This is done using 3-terminal regulators REG1 & REG2. ThePICto be programmed can be mounted on a protoboard. This makes complex socket wiring to support multiple devices unnecessary. 16F84A, 12C509, 16C765 and other devices have all been used successfully with this device.

Figure:1 Simple Universal PIC Programmer Circuit Diagram

Figure 1 Simple UniversalPICProgrammer Circuit Diagram



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