The Volt Clocks

ChronulatorSMD boards shipped for “The Volt” clocks.

Table 1 details the set-ups for all the boards delivered for the Kickstarter Volt Clock  project by Kyle Miller.

Table 1.
Board serial number(s)Hardware
set-up.		Software
set-up.
4019, 4020, 4021, 4024, 4025, 4026, 4027, 4028, 4029, 4030. Processor: ATmega168V
Meter set-up parts: 10 kΩ, 1% resistors in parallel with the 51.1 k SMD parts at R4 and R5, and 5 kΩ trim pots at P1 and P2
Battery holder: Enclosed model (with switch).
Additional notes:
• The 32 kHz crystals were NOT glued down: they likely should be [1];
• The tracks at SJ5 were not cut: they should be if running from a battery [2];
• Cable length approx 6 inches/15 cm.		 Bootloader:
“LilyPadBOOT_168.hex”

Application:
“pm2v-flash-2.01-200812090122.hex”
4013, 4016, 4017. Processor: ATmega168V
Meter set-up parts: exactly as above.
Battery holder: Enclosed model (with switch).
Additional notes:
• The 32 kHz crystals were glued down;
• The tracks at SJ5 were cut: they may be re-joined if serial communication is wanted;
• Cable length as above.		 Bootloader:
“LilyPadBOOT_168.hex”

Application:
“pm2v-flash-2.01-200812090122.hex”
4034, 4035, 4036, 4037, 4039, 4040, 4041, 4042. Processor: ATmega328P
Meter set-up parts: 10 kΩ, 5% resistors in parallel with the 51.1 k SMD parts at R4 and R5, and 5 kΩ trim pots at P1 and P2
Battery holder: Open model
Additional notes:
• The 32 kHz crystals were glued down;
• The tracks at SJ5 were cut: they may be re-joined if serial communication is wanted;
• Cable length approx 4 inches/10 cm.		 Bootloader:
“ATmegaBOOT_xx8_chronSMD328.hex”

Application:
“Chronulator_AVRmod-PCorr.hex”
This software uses the phase correct PWM mode to give zero meter deflection at zero value.
TBD Processor: ATmega328P
Meter set-up parts:
Battery holder: Open model
Additional notes:
•
•		 Bootloader:
“ATmegaBOOT_xx8_chronSMD328.hex”

Application:
“”
TBD Processor: ATmega328P
Meter set-up parts:
Battery holder: Open model
Additional notes:
•
•		 Bootloader:
“ATmegaBOOT_xx8_chronSMD328.hex”

Application:
“”

Notes from the table:

Photo 1.
A little daub will do you.
Photo 2.
Cut for lowest current.

Some details which apply to all boards.

The cables are made up of two green wires (the grounds), one orange wire, and one white wire. The convention I'm using is that the 4-way plug connects to the 4-way header at SJ1 with the keying protrusion away from the board [PHOTO 3-TBD]. That way the white wire connects to the hours meter and the orange to the minutes. No damage to the meters will result if the connector is rotated the other way.

Photo 3. Cable orientation.