TstatPICCore_rev4.HEX this hex file is PIC12F675 firmware,for all Tstat product.

tstatled_375.hex this firmware is for Tstat5 with LED type display, models A thru D.  

TEMCO_ISP_V35.HEX is the latest isp for all Tstat,in this ISP,will stay 
in ISP mode 3 seconds before go to work mode.NOTE:programmer configuration 
page must be 8.

tstat29-8.hex this file for old Tstat with old Isp and small E2 chip. 

Tstat5E directory store the firmware for Tstat5e with LCD display and  8 analog inputs,2 analog outputs. 

The following files for Tstat5E.
tstat5E33-0_prolon.hex for prolon
 
Tstat5E_35-5.hex normal Tstat5E hex
tstat5_runar35-5.hex for runar