Peter's electronic projectsHistorical versions include 3.73, 3.8, and 3.93. More recent updates shifted to a date-based versioning system, such as 2014.220 .
To ensure you are getting a clean, secure, and fully functional copy, always download the software from reputable sources or the official developer channel. Looking for Alternatives?
is widely considered the modern successor. It is actively maintained and offers a free WhereIsIt to WinCatalog Converter to help you move your old databases. Lightweight Option
WhereIsIt v3.97.612 is a legacy media cataloging tool primarily used to index and search files across offline media like CDs, DVDs, and removable drives. While highly regarded for its time, the software is effectively discontinued , with its last official updates released around 2014. Review of WhereIsIt v3.97.612 Core Functionality
If you're trying to , let me know: What file extension does your catalog have? (e.g., .ctf) Are you trying to run it on Windows 10 or 11 ?
: It catalogs everything from CD-ROMs and audio CDs to removable drives, remote file servers, and network shares.
It recognizes any media Windows can access, including FAT, FAT32, and NTFS systems.
Try it now, before building! Click on the transmitter buttons with the
green
labels
on the left and see how the receiver outputs (K1-K8) change. Change
the number of transmitter or receiver channels. Switch the receiver
output type between latched and momentary.
| part | description |
| C1 |
100nF ceramic capacitor |
| R1 |
10k resistor (1/8W) |
| D1-D4 | 1N4148 diode (optional) |
| S1-S8 |
tact switch, DTSM 61N or similar |
| IC1 | PIC16F630 or PIC16F676 microcontroller, pre-programmed |
| TXMOD |
radio
transmitter module, see text (hardware) |
| B1 |
battery between 2-5.5VDC (check TXMOD specs for valid voltage range) |

| part | description |
| C1 |
100nF ceramic capacitor |
| C2 |
470 uF 6.3V, electrolytic
capacitor |
| R1 |
10k resistor (1/8W) |
| R2 |
10 ohm resistor (1/4W) |
| D1-D4 | 1N4148 diode (optional) |
| D5 |
IR transmitter LED |
| Q1 |
BSS138 or similar N-MOSFET |
| S1-S8 |
tact switch, DTSM 61N or similar |
| IC1 | PIC16F684 microcontroller, pre-programmed |
| B1 |
battery between 2-5.5VDC (CR2032, 3.6V LiIon battery or 3xAA
batteries) |
| please
observe the corresponding address configuration! |
|
transmitter: no diodes connected |
receiver: switches all ON |
transmitter: all diodes connected |
![]() receiver: switches all OFF |
parts list
| part | description |
| C1, C2 | 22pF ceramic capacitor |
| C3, C5 | 100nF ceramic capacitor |
| C6 | 10uF 6.3V electrolytic capacitor |
| CN1-CN8 | PCB terminal block, 3-way (DG301) |
| D1-D8 | 1N4004 diode |
| IC1 | PIC16F627 or PIC16F628 or PIC16F627A or PIC16F628A microcontroller, pre-programmed |
| IC2 | LP2950CZ5.0 voltage regulator |
| LED | 3mm LED (green) |
| LED1-LED8 | 3mm LED (red) |
| Q1-Q8 | BS170 N-channel mosfet transistor |
| R1-R9 | 220R resistor (1/8W) |
| RL1-RL8 | G5LE relay, see text for coil voltage selection |
| S1 | piano DIP switch, 4-way |
| X1 | 4MHz HC49 crystal |
| RXMOD | 3-pin radio receiver module, see text (hardware) |
| please
observe the corresponding address configuration! |
|
transmitter: no diodes connected |
receiver: switches all ON |
transmitter: all diodes connected |
![]() receiver: switches all OFF |
Historical versions include 3.73, 3.8, and 3.93. More recent updates shifted to a date-based versioning system, such as 2014.220 .
To ensure you are getting a clean, secure, and fully functional copy, always download the software from reputable sources or the official developer channel. Looking for Alternatives?
is widely considered the modern successor. It is actively maintained and offers a free WhereIsIt to WinCatalog Converter to help you move your old databases. Lightweight Option
WhereIsIt v3.97.612 is a legacy media cataloging tool primarily used to index and search files across offline media like CDs, DVDs, and removable drives. While highly regarded for its time, the software is effectively discontinued , with its last official updates released around 2014. Review of WhereIsIt v3.97.612 Core Functionality
If you're trying to , let me know: What file extension does your catalog have? (e.g., .ctf) Are you trying to run it on Windows 10 or 11 ?
: It catalogs everything from CD-ROMs and audio CDs to removable drives, remote file servers, and network shares.
It recognizes any media Windows can access, including FAT, FAT32, and NTFS systems.
LATCH_MASK EQU B'00001111' sets channels 8-5 to momentary
and
channels 4-1 to latched (toggle) mode. Then use the compiler (MPLAB or
gputils) to
assemble the code.clrf
0x91 ;
ANSEL