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- #1 ohm resistor color code full#
- #1 ohm resistor color code code#
- #1 ohm resistor color code series#
This allows the programming of the ATtiny1614 using a custom cable. The UPDI pin of the ATtiny1614 processor is connected the D+ pin on the USB socket. The USB socket provides power to the clock (5V). It also contains the instructions for adding the megaTin圜ore boards to your IDE. You can find complete build instructions at Create Your Own UPDI Programmer. To program it you need a UPDI programmer.
#1 ohm resistor color code series#
Unlike the earlier series such as the ATtiny85, the new breed use the RESET pin to program the CPU. The ATtiny1614 is part of the new breed of ATtiny microprocessors. You may want to apply hot glue to keep the wiring in place. Glue on the 2032 SMD battery holder and the PCB with hot glue. Finally glue the base to the resistor assembly. Glue the two "Ohm - Mount.stl" mounts to the "Ohm - Base.stl" base. Glue on "Ohm - Wire.stl" to each end of the resistor assembly. With the resistor assembly active, rotate the assembly until the bands are visible.
#1 ohm resistor color code code#
It has five ranges and each range is switched by a P-Channel MOSFET.īefore you glue anything else, I would suggest that you upload the code (See next step). The ohm meter uses a analog pin to read the output of a voltage divider using a known resistor and the resistor being measured. eg a 1000 ohm resistor will set the time to 10:00am where as a 2200 ohm resistor will set the time to 2200 hours or 10:00pm. The clock also includes a auto-ranging ohm meter so that you can set the time using a resistor. Two tactile buttons are used to manually set the time. It uses a DS1307 RTC (Real Time Clock) to keep the time even when the clock is not powered. For the 6 band resistor example shown above: orange (3), red (2), brown (1), brown (x10), green (1), red (50 ppm/C) represents a 3.21 k resistor with a 1 tolerance and a 50 ppm/C temperature coefficient. The clock is built around a ATtiny1614 microprocessor. This means that for a temperature change of 10 C, the resistance value can change 1000 ppm 0.1. A 390 ohm resistor for example will cause the time to display 03:59. Any minute value greater than 59 will cause the clock to be set to 59 minutes. Any value greater than 2359 ohms will cause the clock to be set to 23:59. Values greater than 100,000 ohms are ignored. To set the time using a resistor, place the resistor on the terminals and press the NEXT button. Pressing the SET button again will write the time back to the Real Time Clock (RTC). It will automatically roll around to zero (BLACK) after reaching 9 (WHITE). The NEXT button will advance the units of minutes. Pressing the SET button will fix the tens of minutes and flash the Minutes - Units band.
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It will automatically roll around to zero (BLACK) after reaching 5 (GREEN). The NEXT button will advance the tens of minutes. Pressing the SET button will fix the hours and flash the Minutes - Ten band. It will automatically roll around to zero (BLACK - BLACK) after reaching 23 (RED - ORANGE). Pressing the SET button will cause the Hours - Ten and Hours - Units bands to flash. Let us know how we can improve.The clock supports setting the time using a pair of buttons or by reading the value of an actual resistor placed on its two terminals. Visit the Terms of Use and Privacy Policy for this site. Visit the Tables page to view reference tables such as Maximum Ampacity for Current-Carrying Conductors. To calculate wire ampacity for a circuit, use the Wire Ampacity Calculator or the Advanced Wire Ampacity Calculator.įor long conductor runs where voltage drop may be an issue, use the Voltage Drop Calculator to determine proper conductor sizing and maximumĬircuit length. To calculate wire size for a circuit, use the Wire Size Calculator or the Advanced Wire Size Calculator. Produces a resistance value of 123 * 100 = 12.3 kΩ with a ± 5% tolerance.
#1 ohm resistor color code full#
Note: Tolerance values in % of full resistance range.