The EngineeeringComputerWorks.com Control System programs are available in Microsoft Visual Studio Samples. The link is as follows, https://code.msdn.microsoft.com/site/search?f%5B0%5D.Type=SearchText&f%5B0%5D.Value=chan%20junt%20hoong&sortBy=Ratings Microchip Picdem 2 Plus for Microchip PIC 16F1937 firmware is available at the link as well. You can find the serial port firmware for Microchip PIC 16F84A as well in the link website. Please contact chanjunthoong@theiet.org or chan_junt_hoong@ieee.org for further details.

http://www.microchip.com/
https://www.microsoft.com/
http://engineeeringcomputerworks.com/windows_10_home_premium_updated_onto_my_hp_pavilion_dv4_laptop/windows_visual_studio_developments_in_engineeeringcomputerworkscom
http://engineeeringcomputerworks.com/
http://www.engineeringandcomputerworks.com/
http://usemud868a.blogspot.sg/
http://usemud868.blogspot.sg/
Email: chanjunthoong@theiet.org ; chan_junt_hoong@ieee.org