v4.2 designed by Peter JAKAB in 2004-2005
old version in December, 1999

NOTE for beginners: PICs are general purpose microcontrollers which have to be programmed before you can use them in the actual circuit! Check out this link to learn more.

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| Aspect | Urban | Rural | |--------|-------|-------| | | High (graduate + professional) | Low to middle (often secondary only) | | Work | Formal sector (IT, services) | Agriculture, daily wage, self-help groups | | Mobility | Independent (public transport, driving) | Restricted, often needs male escort | | Marriage age | Mid-20s to 30s | Often before 21 (legally 18) | | Tech access | High (smartphone, internet) | Low to medium (feature phones common) | | Health access | Hospitals, clinics, sanitation | Distant PHCs, open defecation persists |

What do you think about Indian women's lifestyle and culture? Share your experiences, observations, or insights in the comments below!

The arranged marriage is evolving. It is no longer "parents choosing a spouse in secret." Today, it is "parents shortlisting via a matrimonial app, followed by a supervised coffee date."

The lifestyle of Indian women today is a vibrant, moving mosaic. In 2026, the narrative has shifted from merely balancing "home and work" to a more profound integration of cultural identity with modern autonomy. From the boardrooms of Bengaluru to the artisan clusters of Odisha, Indian women are redefining what it means to lead a culturally rooted yet progressive life. 1. The Wardrobe Revolution: Functional Tradition

remains central to identity, though many women seamlessly mix these with Western styles like jeans. Symbols like the

The explosion of affordable internet has democratized the Indian woman's lifestyle. From rural artisans selling jewelry on Instagram to "Mom-bloggers" sharing parenting tips on YouTube, digital spaces have become the new community squares.

Indian women play a vital role in festivals and celebrations, which are an integral part of Indian culture. Women often take the lead in organizing and participating in festivals, such as Diwali, Navratri, and Holi.

Control up to 8 devices by this easy constructable remote control. It can work as a radio or infrared remote control, depending on the components. Each device output can be configured to be momentary (turned on while you press the button) or latched. Latched outputs can be toggled on/off by one button per channel, or turned on and off by two buttons per channel.

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.

Containing a PIC microcontroller, the circuit is very flexible. You can decide which receiver outputs are latched and which are momentary. The Manchester-coded transmitter output is well suited for the cheapest ASK radio modules or for infrared control. The units are configurable to a unique address, which must match to control the devices.

Related project: Learning remote control receiver
Take your existing remote control and control everything with it. This receiver can learn codes from an RC-5 format IR remote control, and associate the buttons to different channels and actions.

Related project: 2^16 remote control encoder and decoder
If you have TTL signals to control remote digital output lines, please check this project instead.

If you have trouble with programming PIC microcontrollers, you can consider builing other circuits based on Holtek HT-12D, HT-12E, Princeton PT2262, PT2272 and Motorola MC145026, MC145027, MC145028 encoders/decoders.

4/8-channel V4.2 radio transmitter

The difference between the 4-channel and the 8-channel version is only the software inside. The 8-channel transmitter has one button (S1-S8) per channel. The 4-channel transmitter uses S1-S4 buttons to turn on, S5-S8 buttons to turn off channel 1-4 (use with latched outputs on the receiver). The D1-D4 diodes and J1-J4 jumpers are optional, and are used to setup the transmitter address. Higher supply voltage results higher transmit power, but V+ range is 2-5.5VDC for the PIC MCU. When V+ is higher than 5VDC, use separate power for the mcu.

Configure & download
What if you can't get a pic16f630?

• use a pic16f676
• try a pic16f628, here is the modified transmitter

  parts list

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)

4/8-channel V4.2 infrared transmitter

4/8-channel V4.2 radio receiver

component pinouts

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)

4/8-channel V4.2 infrared receiver

| Aspect | Urban | Rural | |--------|-------|-------| | | High (graduate + professional) | Low to middle (often secondary only) | | Work | Formal sector (IT, services) | Agriculture, daily wage, self-help groups | | Mobility | Independent (public transport, driving) | Restricted, often needs male escort | | Marriage age | Mid-20s to 30s | Often before 21 (legally 18) | | Tech access | High (smartphone, internet) | Low to medium (feature phones common) | | Health access | Hospitals, clinics, sanitation | Distant PHCs, open defecation persists |

What do you think about Indian women's lifestyle and culture? Share your experiences, observations, or insights in the comments below!

The arranged marriage is evolving. It is no longer "parents choosing a spouse in secret." Today, it is "parents shortlisting via a matrimonial app, followed by a supervised coffee date."

The lifestyle of Indian women today is a vibrant, moving mosaic. In 2026, the narrative has shifted from merely balancing "home and work" to a more profound integration of cultural identity with modern autonomy. From the boardrooms of Bengaluru to the artisan clusters of Odisha, Indian women are redefining what it means to lead a culturally rooted yet progressive life. 1. The Wardrobe Revolution: Functional Tradition

remains central to identity, though many women seamlessly mix these with Western styles like jeans. Symbols like the

The explosion of affordable internet has democratized the Indian woman's lifestyle. From rural artisans selling jewelry on Instagram to "Mom-bloggers" sharing parenting tips on YouTube, digital spaces have become the new community squares.

Indian women play a vital role in festivals and celebrations, which are an integral part of Indian culture. Women often take the lead in organizing and participating in festivals, such as Diwali, Navratri, and Holi.

hardware

FAQ

references