All the parts are available from Digi-Key Corp., 701 Brooks Ave S., Thief River Falls, MN 56701-0677 tel 800-344-4539, 218-681-6674, fax 218-681-3380 , website http://digikey.com C1 .33uf C2 .1uf C3, 2.2uf 50v aluminum electrolytic Digi-Key # ( P5269) C4, C5 1uf 50v aluminum electrolytic Digi-Key # ( P5268) D1 LED Digi-Key # ( LT1136) Q1, Q2 2N2222 NPN transistors Digi-Key # ( 2N2222) R6 2k ohm Potentiometer Digi-Key # ( 3362P-202) S1 Momentary push-button switch Digi-Key # ( CKN9015) for smaller = (B3F-1022) U1 PIC16F84-04/P Digi-Key # ( PIC16F84-04/P) U2 7805 or LM340T 5v 1a positive voltage regulator Digi-Key # ( LM340T) U3 4MHz clock oscillator Digi-Key # ( CTX155) 18 pin IC socket in either gold or tin, Digi-Key # ( A9418-ND) or (ED56183-ND) all resistors 1/4 watt J1 coaxial power jack optional optinal crystal ckt. (window) 22pf disc ceramic Digi-Key # ( P4841) Circuit board is available from: FAR Circuits 18N640 Field Court Dundee, IL 60118-9269 USA Phone: 847-836-9148 (Voice mail) Fax: 847-836-9148 (same as voice mail) Email: farcir@ais.net Web Site: http://www.farcircuits.net/ The circuit board is on page: http://www.farcircuits.net/control1.htm QST Jan98, “A PIC OF AN IDer” BY BOB ANDING