P-Star 45K50 Mini SV on a breadboard, shown with a vertical 5-pin ICSP programming header installed.Unbricking the PICkit3 Posted on: 07-01-2015 Categories: Electronics Author: David Steeman The P-Star 25K50 Micro with a vertical 5-pin programming header installed. This configuration of header pins prevents the MCLR pin from plugging directly into a breadboard, but it could still be connected via a jumper wire. The PICkit 3 can then be directly connected to this five-pin header, or it could be connected through a set of male-female premium jumper wires. The P-Star 25K50 Micro connected to a PICkit 3 programmer and a reset button.Īnother option for connecting a P-Star to a PICkit is to solder upwards-pointing header pins on all five programming pins, as shown below. The picture below shows a P-Star 25K50 Micro, but the same setup could be used with P-Star 45K50 Mini as well, since the 5 ICSP pins are in the same position. The PICkit 3 must be connected via USB to a computer, and the P-Star needs to be powered either from its USB port or from the VIN pin. The MCLR pin is connected to the PICkit 3 through the breadboard and a male-male premium jumper wire. These pins are connected to the PICkit 3 with male-female premium jumper wires. An upwards-pointing 1×4 male header is soldered to VDD, GND, RB7, and RB6. The picture below shows one way to connect a P-Star to a PICkit 3. In addition to making these connections, the P-Star must also be powered (the PICkit 3 does not supply power). Pin 5 connects to RB6 (also known as PGC).Pin 4 connects to RB7 (also known as PGD).Pin 1 of the PICkit 3, which is indicated with a triangle on the PICkit’s case, connects to the P-Star’s MCLR pin.Five of these pins need to be connected to the P-Star in order to program it: The PICkit 3 has a female header with six pins.
The PICkit 3 from Microchip is a hardware debugger and programmer for PIC microcontrollers that can be used to program the P-Star. It will also erase the serial number of the device. Warning: Using a PICkit to program the P-Star will permanently erase its USB bootloader, so you will not be able to program it over USB using the Pololu USB Bootloader Utility.
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